add them:
2q^2-6q+q+10+q^2=3q^2-5q+10
check that.
i need to find the perimeter of a triangle with the demensions : 2(q^2-3q) , q+10 , and q^2 .
2 answers
2 q^2 -6 q + q + 10 + q^2
3 q^2 -5 q + 10
3 q^2 -5 q + 10